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// Copyright (C) 2007 Jason Woofenden
//
// This file is part of VoR.
//
// VoR is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
//
// VoR is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with VoR; see the file COPYING. If not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
// MA 02111-1307, USA.
// This file has code to generate SDL keypress events
#include <stdlib.h>
#include <SDL.h>
#include "mt.h"
// SETTINGS
//
// auto pilot waits a random amount of time between zero and this many 1/20ths of a second
#define AUTOPILOT_MAX_DELAY 20.0
#define NUM_KEYS 5
SDLKey keysyms[NUM_KEYS] = { SDLK_SPACE, SDLK_LEFT, SDLK_RIGHT, SDLK_UP, SDLK_DOWN};
int states[NUM_KEYS] = { 0, 0, 0, 0, 0, };
float next_time;
float delay;
void
autopilot_set_timer() {
delay = 0;
next_time = frnd() * AUTOPILOT_MAX_DELAY;
}
void
autopilot_init() {
autopilot_set_timer();
}
void
autopilot_fix_keystates(Uint8* table) {
int i;
for(i = 0; i < NUM_KEYS; ++i) {
table[keysyms[i]] = states[i];
}
}
int
autopilot_num_down() {
int i, num;
for(num = 0, i = 0; i < NUM_KEYS; ++i) {
if(states[i]) {
num++;
}
}
return num;
}
void
autopilot_send_event() {
int down = autopilot_num_down();
int nth, i;
//SDL_Event event;
if(down && frnd() < 0.25 + (down / 4.0)) {
//event.type = SDL_KEYUP;
//event.key.state = 0;
nth = (urnd() % down) + 1;
for(i = 0; ; ++i) {
if(states[i]) {
--nth;
}
if(nth == 0) {
//event.key.keysym.sym = keysyms[i];
states[i] = 0;
break;
}
}
} else {
//event.type = SDL_KEYDOWN;
//event.key.state = 1;
nth = (urnd() % (NUM_KEYS - down)) + 1;
for(i = 0; ; ++i) {
if(!states[i]) {
--nth;
}
if(nth == 0) {
//event.key.keysym.sym = keysyms[i];
states[i] = 1;
break;
}
}
}
//fprintf(stderr, "push event: %i %i\n", event.key.keysym.sym, event.type);
//SDL_PushEvent(&event);
}
void
autopilot(float ticks) {
delay += ticks;
if(delay > next_time) {
autopilot_set_timer();
autopilot_send_event();
}
}
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